Livewire Senate Rejects GOP Keystone Pipeline Measure by David Taintor 03.08.12 | 11:26 am 1 The Senate on Thursday rejected a Republican measure that would have bypassed the Obama administration’s objection to the Keystone XL pipeline and allowed construction on the project to begin immediately. Via CNN. Send Tips David Taintor is a New York-based senior editor who oversees breaking news coverage. He previously worked at NBC News.